Omega Constellation Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / MOP

Reference 127.20.27.20.55.001

About this watch

The Omega Constellation Co-Axial Master Chronometer with the reference number 127.20.27.20.55.001 is a stunning representation of luxury watches. This exquisite timepiece combines innovative technology, elegant design, and rich heritage. Its luxurious materials, including red gold and stainless steel, create a striking contrast that exudes sophistication. The mother of pearl dial adds an iridescent quality, making every glance at the watch feel like a moment of discovery. The open case back allows you to admire the intricate movement of the Omega Caliber 8704, which features the renowned Co-Axial escapement and Master Chronometer certification granted by METAS. This self-winding movement is a marvel of engineering, significantly reducing friction between components for greater accuracy and longevity. The watch is packed with features that enhance its usability, including classic hours, minutes, small seconds hand, and date function. With a water resistance rating of 100 meters, this watch can handle daily wear and occasional exposure to water. Its design is timeless, making it a worthy investment for years to come.
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Key Features

  • Luxurious red gold and stainless steel materials
  • Mother of pearl dial with gem-set indexes
  • Omega Caliber 8704 Co-Axial escapement movement
  • Master Chronometer certification by METAS
  • Water resistance up to 100 meters
  • Date function and small seconds hand
  • Classic hours, minutes, and Dauphine hands for optimal legibility

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / MOP
Reference
127.20.27.20.55.001
Movement
8704
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Tropical Dial Omega Pie Pan Constellation 168.005

Tropical Dial Omega Pie Pan Constellation 168.005

Omega - 168.005 · $1,600
For sale is a stunning Tropical dial Omega Pie Pan Constellation watch.

  • Dial type: Tropical dial
Posted at
Jan 29, 2026, 12:06 PM
Active
[WTS] Redial Omega Pie Pan Constellation 168.005 - Polished case with sharp edges

Redial Omega Pie Pan Constellation 168.005 - Polished case with sharp edges

Omega - 168.005 · $1,600
For sale a beautiful Omega Pie Pan Constellation with Top notch redial quality and Case polished with sharp edges.

  • Redial quality: top notch
  • Shipping options: Fedex/DHL
Posted at
Jan 29, 2026, 12:01 PM
Active
[WTS] Omega Constellation 🌌 perpetual calendar 📅 blue dial Quartz movement!

Omega Constellation 🌌 perpetual calendar 📅 blue dial Quartz movement!

This Omega Constellation is a rare quartz perpetual calendar watch with a blue dial. The sunburst dial appears to change color depending on the angle and lighting, ranging from ocean blue to navy blue or blue grey to blue purple.

  • Condition: Runs like new, serviced in 2023
  • Movement: quartz
  • Battery status: new
  • Case material: unknown (assumed metal due to 18k stamp)
Posted at
Jan 28, 2026, 4:29 PM
Active
[WTS] Vintage Omega Trio – Century / Genève Dynamic / Constellation Quartz

Vintage Omega Trio – Century / Genève Dynamic / Constellation Quartz

A trio of vintage Omega watches including the Century Ref. 121001 from 1962 with a manual wind Cal. 269 movement and a gold-capped stainless steel caseback.

  • Case material 1: gold-capped
  • Case material 2: stainless steel
  • Dial color 1: beautiful 'Jupiter' patina
Posted at
Jan 28, 2026, 8:27 AM
Active
[WTS] Omega Constellation Globemaster Annual Calender 130.33.41.22.06.001 Box & Papers

Omega Constellation Globemaster Annual Calender 130.33.41.22.06.001 Box & Papers

The Omega Constellation Globemaster Annual Calendar features a sunburst grey dial, applied hour markers, and a clean annual calendar display. It is powered by the Co-Axial Master Chronometer Caliber 8922, delivering outstanding precision and resistance to magnetic fields up to 15,000 gauss.

  • Condition: Great pre-owned condition
  • Movement: in-house Co-Axial Master Chronometer Caliber 8922
  • Bracelet material: stainless steel
Posted at
Jan 27, 2026, 11:44 PM
Active
[WTS] Omega Constellation 168.005 Dog-leg Lugs Crosshair Tropical Dial — $1,400 (Serviced / Shipping / Tariff Covered)

Omega Constellation 168.005 Dog-leg Lugs Crosshair Tropical Dial — $1,400 (Serviced / Shipping / Tariff Covered)

Omega - 168.005 · $1,400
This Omega Constellation ref. 168.005 features a unique tropical dial with crosshair layout, well-matched hands and hour markers, and dog-leg lugs.

  • Condition: Great vintage condition
  • Movement Type: Automatic
  • Caliber: 561
  • Chronometer Certified: Yes
Posted at
Jan 27, 2026, 8:52 AM
Active
[WTS] Omega Constellation Pie Pan

Omega Constellation Pie Pan

Additional Details: Excellent condition, recently serviced Omega Constellation Pie Pan.

  • Condition: Excellent
  • Servicing status: recently serviced
Posted at
Jan 26, 2026, 5:43 PM
Active
[WTS] Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs - Ref. 168.005 - Caliber 561 Automatic Date - From 1968 - $2200

Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs - Ref. 168.005 - Caliber 561 Automatic Date - From 1968 - $2200

Omega - 168.005 · $2,200
The Omega Constellation 'Pie Pan' features a robust caliber 561 automatic movement with date, sunburst dial, and signature dog-legged lugs. It has a great construction and feel to the well-defined case design, making it an excellent dressy statement piece.

  • Condition: Excellent, minor patina on logo and date window
  • Case size: 35mm (excluding crown)
  • Diameter: 40mm
  • Movement: Caliber 561 automatic date
Posted at
Jan 26, 2026, 1:13 PM
Active